Stockwell-born apprentice electrical wireman Cecil Archibald Jacques Treacher, 17, lived with his parents, Joseph Jacques Treacher, 48, an electrical wireman from Clerkenwell, north London and Sarah Ann Treacher, 50, from Bermondsey, and older brother Joseph Jacques, an instructor of handicrafts, born in Newington. Their accommodation at 14 Stansfield Road, Brixton had five rooms, and the family had been there since at least 1901.